Respiratory system - Resperation system upper tract

8 important questions on Respiratory system - Resperation system upper tract

What is the upper repiratory tract composed of?

Nose
Nasal cavities
sinuses
Pharynx
Larynx

Label the different part of upper respiratory system

Refer to the picture

Identify the areas of the upper reiratory tract

Refer to picture
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What is the external nose made from?

consists of boneHyaline cartilage covered with muscle and skin and line with mucous membrane

How is mucous different from mucouse membrane?

Mucous refers to a slimy substance, while mucous membrane is the tissue lining various body cavities, producing mucous for protection and lubrication (answer from Chat GPT)

What is the nasal cavity what does it do?

Large space, in the anterior aspect of skull that lies inferior to nasal bone and supperior to oral cavity, Line with musce and mucous membrane.

The naval cavity is divided by the nasal septum.

Air enters the body through nasal and oral cavities.    

What does it do

Warming, moistening and filtering incoming air.

Detecting olfactory stimuli

modifies speech vibrations as they pass the large hollow resonating chambers.

What are paranasal sinuses?

They air filled spaces  (cavaties) within the bones of the skull and develop as outgrowth from the nasal cavity; they all drain directly or indirectly into the nose.

provide resonance to the voice, shape to the face and some degree of warmth and humidification to inspired air.

What  flap-like structure in the throat prevents food and liquids from entering the windpipe during swallowing

Epiglottis

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